Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

supersaver.nl

Boek goedkope reizen – vlucht, hotel en huurauto bij Supersaver

Page Load Speed

4.3 sec in total

First Response

1.1 sec

Resources Loaded

2.9 sec

Page Rendered

296 ms

supersaver.nl screenshot

About Website

Welcome to supersaver.nl homepage info - get ready to check Supersaver best content for Netherlands right away, or after learning these important things about supersaver.nl

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Visit supersaver.nl

Key Findings

We analyzed Supersaver.nl page load time and found that the first response time was 1.1 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

supersaver.nl performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value1,070 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value1.283

1/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

www.supersaver.nl

1059 ms

jquery-ui-1.8.2.custom.css

108 ms

superfish.css

90 ms

1bv-5-1d3-1fa-2c-1ex_747319_484_2.css

112 ms

1il-1ir-1hd-303-32x-1dg_742178_484_2.css

89 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 67% of them (64 requests) were addressed to the original Supersaver.nl, 7% (7 requests) were made to Google-analytics.com and 5% (5 requests) were made to G.adspeed.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Supersaver.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (73%)

Content Size

3.6 MB

After Optimization

967.8 kB

In fact, the total size of Supersaver.nl main page is 3.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 110.0 kB

  • Original 133.9 kB
  • After minification 128.8 kB
  • After compression 23.9 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 110.0 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 20.1 kB

  • Original 219.2 kB
  • After minification 199.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Supersaver images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.9 MB

  • Original 2.6 MB
  • After minification 2.2 MB
  • After compression 627.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.9 MB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 590.2 kB

  • Original 707.0 kB
  • After minification 547.5 kB
  • After compression 116.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Supersaver.nl needs all CSS files to be minified and compressed as it can save up to 590.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 59 (66%)

Requests Now

89

After Optimization

30

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supersaver. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

supersaver.nl accessibility score

84

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

supersaver.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

supersaver.nl SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Supersaver.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Dutch language. Our system also found out that Supersaver.nl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Supersaver. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: